woolsorting

Woolsorting is the process of dividing raw wool into different grades based on its quality. This is a crucial step in wool processing as it determines the intended use and value of the wool. Sorters examine various characteristics of the wool fleece, including staple length, fineness (diameter of the wool fibers), color, and the presence of impurities like vegetable matter or yolk.

Historically, woolsorting was a skilled manual occupation. Sorters developed a keen eye and sensitive touch to distinguish between different qualities within a single fleece. They would often sort wool into numerous categories, from the finest wool from the neck and shoulders to coarser wool from the legs. The fineness of wool is typically measured in microns, with finer wools being more valuable and suitable for high-quality garments like fine worsted fabrics. Longer staples are generally used for worsted spinning, while shorter staples are used for woolen spinning.

Modern wool processing often incorporates automated sorting technologies, utilizing lasers, cameras, and other sensors to analyze wool fibers objectively. However, manual sorting is still practiced, particularly for fine wools where the nuanced judgment of a skilled sorter can be essential. The sorted wool is then baled and sent on for further processing, such as scouring to remove grease and dirt, and then spinning into yarn. The accuracy of woolsorting directly impacts the efficiency and quality of the subsequent textile manufacturing stages.